Where 'http://www.secretmaryo.org/images/button/80x15/en/1.png' is the path to the image file. You can view the path by looking at the properties of these images or in Firefox choosing 'View Image' from the right-click menu.

Buttons

Small - 80x15

Medium - 88x31

Banners

Small - 110x32

Button - 180x60

Userbars

Default - 350x19

Notes

Have you made some nice graphics for Secret Maryo Chronicles ? Post them in the Community Forums.
Do not use unauthorized icons or words in conjunction with the logo.